Chair



FIG. 1 is a perspective view of my new chair design;

FIG. 2 is a right side view thereof, wherein the left side view is substantially a mirror image thereof (apart from the lower actuating elements);

FIG. 3 is a front view thereof; and,

FIG. 4 is a top view thereof.

The portions of the chair which have not been shown in the drawings or described in the specification form no part of the claimed design. 

The ornamental design for a chair, as shown and described. 